Second time around same issues

On the 13th of September i had a pre-natal scan, i am 24wks pregnant. This is my second pregnancy and again im having such a hard time with Discovery regarding claims not being paid. I spoke to Tcina the ref for that call is ***. I explained to her with my previous pregnancy i was told that i dont need authorization if referred by my gynae and that if not paid by my maternity benefits it gets paid from the specialist benefits.I am claiming the amount back as i paid the specialist out of my pocket. She processed everything and i see now on the app again it says not paid because i did not have an auth number. I have sent thru all the proof that i paid. Could someone please assist. Last time i was reimbursed so i dont see why it cant be done now, or why i must take these measures to have something resolved with discovery.